15728480

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{499}}^1$

素因数の和:711

約数の個数: 48

約数和(自身を含む): 37422000

約数和(自身を除く): 21693520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 499, 788, 985, 998, 1576, 1970, 1996, 2495, 3152, 3940, 3992, 4990, 6304, 7880, 7984, 9980, 15760, 15968, 19960, 31520, 39920, 79840, 98303, 196606, 393212, 491515, 786424, 983030, 1572848, 1966060, 3145696, 3932120, 7864240, 15728480]

約数ペア:

[(1, 15728480), (2, 7864240), (4, 3932120), (5, 3145696), (8, 1966060), (10, 1572848), (16, 983030), (20, 786424), (32, 491515), (40, 393212), (80, 196606), (160, 98303), (197, 79840), (394, 39920), (499, 31520), (788, 19960), (985, 15968), (998, 15760), (1576, 9980), (1970, 7984), (1996, 7880), (2495, 6304), (3152, 4990), (3940, 3992)]